Descripción
Dormer Casing 1.0M Threaded and Flush External Joints Painted Steel
Dormer make casing from lightweight steel, or aluminium with brass threads in sizes 50mm, 62mm, 75mm and 90mm OD and either 1.0 or 1.5 metre lengths.
Threads are either “fine” parallel pipe thread or “coarse” square acme threads.